Fashion 70’s focused on the lives of four young people, from
their childhood during the Korean War, to their careers and love
lives within the booming fashion world of the seventies. When
Joon Hee was young, she befriends a little girl called Kang Hee,
this two girls always get into trouble because of Kang Hee’s
greedy mother. At the same time, Joon Hee also makes friends with
two boys, Dong Young, the son of a military general and Jang Bin.

But when North Korean forces invade their town, both girls are
separated from their parents and Joon Hee’s mother is killed in
an explosion. Believing his daughter to have died, Joon Hee’s
father adopts Kang Hee and raises her as his own daughter. Joon
Hee is discovered at an orphanage by Kang Hee’s mother, and is
also adopted. The trauma of the events causes Joon Hee to block
out her childhood memories and she grows up on a small island as
Doe Mi, unaware of her true identity.

Years pass and their paths cross again, with
complicated and destructive results. Doe Mi dreams of becoming a
fashion designer, and petty criminal Jang Bin helps her move to
Seoul to chase her dream. In the process he falls in love with
her, but his feelings are unrequited…